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Commit49597bc

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Add tests for islice
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‎extra_tests/snippets/stdlib_itertools.py‎

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@@ -260,28 +260,39 @@ def underten(x):
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defassert_matches_seq(it,seq):
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assertlist(it)==list(seq)
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deftest_islice_pickle(it):
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forpinrange(pickle.HIGHEST_PROTOCOL+1):
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it==pickle.loads(pickle.dumps(it,p))
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i=itertools.islice
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it=i([1,2,3,4,5],3)
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assert_matches_seq(it, [1,2,3])
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test_islice_pickle(it)
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it=i([0.5,1,1.5,2,2.5,3,4,5],1,6,2)
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assert_matches_seq(it, [1,2,3])
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test_islice_pickle(it)
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it=i([1,2],None)
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assert_matches_seq(it, [1,2])
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test_islice_pickle(it)
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it=i([1,2,3],None,None,None)
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assert_matches_seq(it, [1,2,3])
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test_islice_pickle(it)
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it=i([1,2,3],1,None,None)
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assert_matches_seq(it, [2,3])
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test_islice_pickle(it)
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it=i([1,2,3],None,2,None)
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assert_matches_seq(it, [1,2])
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test_islice_pickle(it)
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it=i([1,2,3],None,None,3)
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assert_matches_seq(it, [1])
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test_islice_pickle(it)
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# itertools.filterfalse
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it=itertools.filterfalse(lambdax:x%2,range(10))

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